<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Page 01</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
    <img src="index.jpg" alt="">
    <!-- <div class="pic"></div> -->
    <style>
        body {
            text-align: center;
        }
        img {
            width: 100%;
            max-width: 1440px;
        }
        .pic {
            background: url("index.jpg") center 0 no-repeat;
            height: 11000px;
        }
    </style>
</body>
</html>